Penrose limits and TsT for fibered $I$-branes
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866913034117578752 |
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| author | Barbosa, Marcelo R. Nastase, Horatiu Sousa, Lucas S. |
| author_facet | Barbosa, Marcelo R. Nastase, Horatiu Sousa, Lucas S. |
| contents | In this paper we analyze a generalized "single-trace $T\bar T$" deformation, defined by a TsT transformation, of the fibered $I$-brane solution from \cite{Nunez2023}. We use the Penrose limit to understand it, and we consider both the TsT followed by the Penrose limit, as well as the Penrose limit followed by TsT. We describe the spin chains obtained in field theory. In the first case we find that, indeed, the TsT transformation preserves solvability in a simple way, as in the standard $T\bar T$ case. In the second case, we have several options, but none is simple enough to be conclusive, however, one case gives us an asymptotically free and IR nontrivial field theory sector, and another a new parallelizable pp wave. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2510_24406 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Penrose limits and TsT for fibered $I$-branes Barbosa, Marcelo R. Nastase, Horatiu Sousa, Lucas S. High Energy Physics - Theory In this paper we analyze a generalized "single-trace $T\bar T$" deformation, defined by a TsT transformation, of the fibered $I$-brane solution from \cite{Nunez2023}. We use the Penrose limit to understand it, and we consider both the TsT followed by the Penrose limit, as well as the Penrose limit followed by TsT. We describe the spin chains obtained in field theory. In the first case we find that, indeed, the TsT transformation preserves solvability in a simple way, as in the standard $T\bar T$ case. In the second case, we have several options, but none is simple enough to be conclusive, however, one case gives us an asymptotically free and IR nontrivial field theory sector, and another a new parallelizable pp wave. |
| title | Penrose limits and TsT for fibered $I$-branes |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2510.24406 |